Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10976357 | Method and device for determining a fault location of a ground fault relating to a line of a three-phase electrical energy supply network having a neutral point without low-resistance grounding | Cezary Dzienis | 2021-04-13 |
| 10969417 | Method, protective device and protective system for detecting a fault on a line of an electrical power supply system | Cezary Dzienis | 2021-04-06 |